Why are sharks afraid of dolphins?

Dolphins are a widely distributed and diverse group of aquatic mammals. They are an informal grouping within the order Cetacea, excluding whales and porpoises, so to zoologists the grouping is paraphyletic. read more

Sharks actually attack dolphins on occasion, but sharks are wary of them because dolphins have excellent detection skills in the water, are highly intelligent, attack in groups and occasionally protect other mammals including humans even if they aren’t part of the dolphin’s pod. read more

Sharks are afraid of dolphins in numbers. Dolphins are strong and when they work together to hunt or protect others, most sharks are no match for a pod of dolphins with a plan. His best bet is to scram. read more